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EPSI - SC Silicone Masking Caps (Size: ID .500 in - 2.00 in)

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  • EPSI- SC Silicone Caps
Ships Within 1-2 Business Days
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 Product Description

SC Silicone Caps

  • Can be used as both cap and plug.                                                    
  • Flexible enough to conform to irregular geometry.
  • Round top profile allows for easy insertion into holes.                         
  • Silicone Caps are reusable and will not melt or harden.
  • Color-coded for increased visibility and sorting during reuse.               
  • Withstand temperature of 600°F (315°C).


Powder Coatings, E-Coating, Plating and Anodizing


Used as a cap over threaded studs, dowels, and protrusions. Used as a plug for tapped holes, irregular contours and threaded holes.


Our Silicone Cap (SC) product line is the industry standard for general masking applications. Their versatile nature allows them to fit over extensions, threaded studs, PEMS and dowls, as well as be used as a plug for tapped holes, irregular contours and threaded holes. Our high temperature silicone is specially formulated to ensure reusability.


  • When sizing parts as a cap, the ID of the cap should be 2-5% smaller than the stud diameter.
  • To ensure easy removal, select a cap length that is slightly longer than the masking length of the stud. This is especially important if the cap ID is less than 5% of the stud diameter.
  • When sizing parts as a plug, the OD should be at least 7% larger than the hole diameter.
  • If used to cover tube ends in powder coating, a small slit in the top of the cap will prevent blow-off.

CAUTION: Due to the low tear resistance of silicone; do not use pliers or other sharp tools for removal.







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